County in California

San Diego County Tiempo Pronóstico

San Diego County weather: 20°C, cubierto. Por hora forecast, 14-day outlook, UV, air quality and the best time a visit.

☁️ 20°C now🕔 11:01 PM local📅 Best: abril, may, junio, julio, agosto, septiembre and octubre👥 3.3 million

14-day pronóstico para San Diego County

Máximas y mínimas diarias, precipitaciones y UV.

DíaCondicionesMáx. / Mín.Precip.VientoUV
sáb., sep 19☁️ Cubierto26° / 20°0%15 km/h7
dom., sep 20☁️ Cubierto24° / 17°0%13 km/h6
lun., sep 21☁️ Cubierto24° / 19°6%15 km/h7
mar., sep 22☁️ Cubierto24° / 20°1%19 km/h7
mié., sep 23☀️ Cielo despejado24° / 20°0%17 km/h7
jue., sep 24☀️ Cielo despejado25° / 21°0%15 km/h7
vie., sep 25☀️ Cielo despejado28° / 22°2%16 km/h7
sáb., sep 26🌤️ mayormente despejado28° / 23°2%18 km/h7
dom., sep 27☀️ Cielo despejado26° / 21°5%21 km/h7
lun., sep 28☀️ Cielo despejado25° / 20°4%14 km/h7
mar., sep 29☀️ Cielo despejado30° / 22°10%15 km/h7
mié., sep 30☀️ Cielo despejado32° / 26°15%14 km/h7
jue., oct 1☀️ Cielo despejado33° / 26°10%16 km/h7
vie., oct 2☁️ Cubierto33° / 26°0%15 km/h6

The two-week trend

Temperature trend

Warming. The second half of the window averages 4°C warmer than the days immediately ahead.

Against the normal

The window averages 27°C against a septiembre normal of 25°C – 2°C above.

Precipitaciones

The next 7 days look unusually dry – roughly 0% of a normal septiembre week (0 mm against 5 mm).

What this means for San Diego County

Compared con normal

Today is about average for septiembre. The forecast high of 26°C is in line con the 25°C typical for this month.

Lluvia chance explained

Lluvia is very unlikely today – plans do not need a backup.

Viajes and driving

No weather-related travel disruption is expected today. Roads and airports should run normally.

Worth knowing

Northern Hemisphere, so peak summer falls in junio a agosto.

Worth knowing

The gap between the warmest and coldest month averages 8°C.

What a pack, what a skip

Pack for the next 7 days
  • dom.glasses, a brimmed hat and SPF 30+
Worth avoiding
  • If your dates are flexible, avoid enero, febrero and marzo – historically the least comfortable months here.

Ver el pronóstico de San Diego County por periodo

San Diego County weather – more answers

Explore San Diego County

Every topic we hold for this place, and the same topic for the places around it.

Tiempo for related places

Frequently asked questions

Where is San Diego County?

San Diego County is a county in California. Its coordinates are 32.7157, -117.1611. It lies in América del Norte.

What is the weather like in San Diego County ahora mismo?

It is currently 20°C (68°F) con cubierto. Humedad is 84% and wind is 1 km/h.

When is the best time a visit San Diego County?

abril, may, junio, julio, agosto, septiembre and octubre offer the most comfortable conditions in San Diego County, which has a Mediterranean climate. enero, febrero and marzo are usually the hardest months for outdoor plans.

What time zone is San Diego County in?

San Diego County observes America/Los_Angeles (UTC-07:00). The hora local is 11:01 PM.

How many people live in San Diego County?

San Diego County has a population of approximately 3.3 million.

What is the nearest airport a San Diego County?

The closest airports are San Diego International Airport (SAN), 4 km away, Los Angeles International Airport (LAX), 179 km away and Harry Reid International Airport (LAS), 417 km away.

What are the top things a do in San Diego County?

Popular options include Coronado Beach, Anza-Borrego Desert State Park, Disneyland Resort, Joshua Tree National Park, Santa lun.ica State Beach and Hollywood Sign.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (us-counties) – coordinates, hierarchy and facts.
Pronóstico and observationsOpen-Meteo (ECMWF and national models).
Calidad del aire and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Clima averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Tiempo Service.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing – the block is simply not shown.

Last updated septiembre 19, 2026 at 11:01 PM hora local. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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